LACTB2/PLPBP protein level ratio in blood (Ontology of Biological Attributes id OBA_2054872) can be described as follows. A compound attribute that is the ratio of amount of endoribonuclease LACTB2 (human) in blood to amount of pyridoxal phosphate homeostasis protein (human) in blood. Also known as: the ratio of amount of endoribonuclease LACTB2 (human) in blood to amount of pyridoxal phosphate homeostasis protein (human) in blood.